| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.password; |
| |
| import android.app.admin.DevicePolicyManager; |
| |
| /** |
| * List of screen lock type options that are available in ChooseLockGeneric. Provides the key and |
| * the associated quality, and also some helper functions to translate between them. |
| */ |
| public enum ScreenLockType { |
| |
| NONE( |
| DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, |
| "unlock_set_off"), |
| SWIPE( |
| DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, |
| "unlock_set_none"), |
| PATTERN( |
| DevicePolicyManager.PASSWORD_QUALITY_SOMETHING, |
| "unlock_set_pattern"), |
| PIN( |
| DevicePolicyManager.PASSWORD_QUALITY_NUMERIC, |
| DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX, |
| "unlock_set_pin"), |
| PASSWORD( |
| DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC, |
| DevicePolicyManager.PASSWORD_QUALITY_COMPLEX, |
| "unlock_set_password"), |
| MANAGED( |
| DevicePolicyManager.PASSWORD_QUALITY_MANAGED, |
| "unlock_set_managed"); |
| |
| /** |
| * The default quality of the type of lock used. For example, in the case of PIN, the default |
| * quality if PASSWORD_QUALITY_NUMERIC, while the highest quality is |
| * PASSWORD_QUALITY_NUMERIC_COMPLEX. |
| */ |
| public final int defaultQuality; |
| |
| /** |
| * The highest quality for the given type of lock. For example, in the case of password, the |
| * default quality is PASSWORD_QUALITY_ALPHABETIC, but the highest possible quality is |
| * PASSWORD_QUALITY_COMPLEX. |
| */ |
| public final int maxQuality; |
| |
| public final String preferenceKey; |
| |
| ScreenLockType(int quality, String preferenceKey) { |
| this(quality, quality, preferenceKey); |
| } |
| |
| ScreenLockType(int defaultQuality, int maxQuality, String preferenceKey) { |
| this.defaultQuality = defaultQuality; |
| this.maxQuality = maxQuality; |
| this.preferenceKey = preferenceKey; |
| } |
| |
| /** |
| * Gets the screen lock type for the given quality. Note that this method assumes that a screen |
| * lock is enabled, which means if the quality is |
| * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}, the returned type will be |
| * {@link #SWIPE} and not {@link #NONE}. |
| */ |
| public static ScreenLockType fromQuality(int quality) { |
| switch (quality) { |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| return ScreenLockType.PATTERN; |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: |
| return ScreenLockType.PIN; |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| return ScreenLockType.PASSWORD; |
| case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: |
| return ScreenLockType.MANAGED; |
| case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: |
| return ScreenLockType.SWIPE; |
| } |
| return null; |
| } |
| |
| public static ScreenLockType fromKey(String key) { |
| for (ScreenLockType lock : ScreenLockType.values()) { |
| if (lock.preferenceKey.equals(key)) { |
| return lock; |
| } |
| } |
| return null; |
| } |
| } |